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  1. Bug #1733662
  2. Comment #6

Comment 6 for bug 1733662

Revision history for this message
Rod Smith (rodsmith) wrote : Re: System hang with Linux kernel 4.13, not with 4.10

Here are some more test runs on boldore, using different kernels, mostly from http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D. The attachment is a tarball containing dmesg output associated with runs of the cpu_offlining script. An overview:

* 4.10.0-38-generic: No hang or misbehavior; verbose dmesg output.
* 4.11.0-041100-generic: No hang or misbehavior; verbose dmesg output.
* 4.12.0-041200-generic: No hang or misbehavior; dmesg output is even
  more verbose and includes multiple "error -22" messages.
* 4.13.0-041300-generic: Similar to the above, but dmesg errors are
  now "error -19".
* 4.13.16-041316-generic: No system hang or misbehavior; dmesg
  output has no errors and is much shorter.
* 4.14.0-041400-generic: Segfault and limited functionality
  thereafter; dmesg has multiple "error -19" messages and multiple
  general protection fault dumps.